diff --git a/.gitattributes b/.gitattributes
index d4562091..7751149a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,12 @@
+#Source code
+/src/*.c text=auto
+/src/*.h text=auto
+/src/*.s text=auto
+/src/*.m text=auto
+/src/*.xpm text=auto
+/src/Makefile text=auto
+/src/Make*.cfg text=auto
+/src/CMakeLists.txt text=auto
 # Windows EOL
 *.cs -crlf -whitespace
 *.mk -crlf -whitespace
diff --git a/src/lua_consolelib.c b/src/lua_consolelib.c
index 299870e0..c6f84dc9 100644
--- a/src/lua_consolelib.c
+++ b/src/lua_consolelib.c
@@ -303,6 +303,8 @@ static int lib_cvRegisterVar(lua_State *L)
 #define FIELDERROR(f, e) luaL_error(L, "bad value for " LUA_QL(f) " in table passed to " LUA_QL("CV_RegisterVar") " (%s)", e);
 #define TYPEERROR(f, t) FIELDERROR(f, va("%s expected, got %s", lua_typename(L, t), luaL_typename(L, -1)))
 
+	memset(cvar, 0x00, sizeof(consvar_t)); // zero everything by default
+
 	lua_pushnil(L);
 	while (lua_next(L, 1)) {
 		// stack: cvar table, cvar userdata, key/index, value
@@ -390,6 +392,13 @@ static int lib_cvRegisterVar(lua_State *L)
 #undef FIELDERROR
 #undef TYPEERROR
 
+	if (!cvar->name)
+		return luaL_error(L, M_GetText("Variable has no name!\n"));
+	if ((cvar->flags & CV_NOINIT) && !(cvar->flags & CV_CALL))
+		return luaL_error(L, M_GetText("Variable %s has CV_NOINIT without CV_CALL\n"), cvar->name);
+	if ((cvar->flags & CV_CALL) && !cvar->func)
+		return luaL_error(L, M_GetText("Variable %s has CV_CALL without a function\n"), cvar->name);
+
 	// stack: cvar table, cvar userdata
 	lua_getfield(L, LUA_REGISTRYINDEX, "CV_Vars");
 	I_Assert(lua_istable(L, 3));
diff --git a/src/lua_playerlib.c b/src/lua_playerlib.c
index 3cca1f91..76e2f8e0 100644
--- a/src/lua_playerlib.c
+++ b/src/lua_playerlib.c
@@ -604,7 +604,7 @@ static int power_get(lua_State *L)
 	UINT16 *powers = *((UINT16 **)luaL_checkudata(L, 1, META_POWERS));
 	powertype_t p = luaL_checkinteger(L, 2);
 	if (p >= NUMPOWERS)
-		return luaL_error(L, LUA_QL("powertype_t") " cannot be %u", p);
+		return luaL_error(L, LUA_QL("powertype_t") " cannot be %d", (INT16)p);
 	lua_pushinteger(L, powers[p]);
 	return 1;
 }
@@ -616,7 +616,7 @@ static int power_set(lua_State *L)
 	powertype_t p = luaL_checkinteger(L, 2);
 	UINT16 i = (UINT16)luaL_checkinteger(L, 3);
 	if (p >= NUMPOWERS)
-		return luaL_error(L, LUA_QL("powertype_t") " cannot be %u", p);
+		return luaL_error(L, LUA_QL("powertype_t") " cannot be %d", (INT16)p);
 	if (hud_running)
 		return luaL_error(L, "Do not alter player_t in HUD rendering code!");
 	if (hook_cmd_running)
diff --git a/src/m_fixed.h b/src/m_fixed.h
index 8145a691..5a7caae1 100644
--- a/src/m_fixed.h
+++ b/src/m_fixed.h
@@ -206,14 +206,7 @@ FUNCMATH FUNCINLINE static ATTRINLINE fixed_t FixedDiv(fixed_t a, fixed_t b)
 */
 FUNCMATH FUNCINLINE static ATTRINLINE fixed_t FixedRem(fixed_t x, fixed_t y)
 {
-	const boolean n = x < 0;
-	x = abs(x);
-	while (x >= y)
-		x -= y;
-	if (n)
-		return -x;
-	else
-		return x;
+	return x % y;
 }
 
 /**	\brief	The FixedSqrt function